Roma Dmytrynskyi

At Codefinity, I build and ship frontend product features from initial ideas through implementation, analytics, and monitoring. I delivered two one-time-purchase add-ons end to end during a two-week sprint, increasing LTV by 10% while creating recurring revenue.

I led certification discovery and delivery with the design team, researching competitors, testing hypotheses, and building the UI and product features. I also migrated two MVPs from a large codebase to new Next.js and React architectures in two weeks, documenting patterns for the frontend team.

I reduced bundle size by 50% with a dependency-graph PR job and cut frontend deployment time in half using multi-stage Docker builds and Next.js standalone mode. My work includes Solidgate and Stripe payment integrations, with a stack spanning Next.js, React, Playwright, Jest, Docker, Grafana, BigQuery, and Sentry.

Previously at Hearify, I maintained the AI Quiz Generator CRM and developed features while collaborating with designers on UI/UX decisions. I enjoy owning projects from the drawing board to the finish line and working closely with designers and product managers to solve business problems.